| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 1231 | 3-Dec-1815 | Sunday | 29 days. |
| Safar 1231 | 1-Jan-1816 | Monday | 30 days. |
| Rabi al-awwal 1231 | 31-Jan-1816 | Wednesday | 30 days. |
| Rabi al-thani 1231 | 1-Mar-1816 | Friday | 29 days. |
| Jumada al-awwal 1231 | 30-Mar-1816 | Saturday | 30 days. |
| Jumada al-thani 1231 | 29-Apr-1816 | Monday | 30 days. |
| Rajab 1231 | 29-May-1816 | Wednesday | 29 days. |
| Shaban 1231 | 27-Jun-1816 | Thursday | 29 days. |
| Ramadan 1231 | 26-Jul-1816 | Friday | 30 days. |
| Shawwal 1231 | 25-Aug-1816 | Sunday | 29 days. |
| Dhu al-Qidah 1231 | 23-Sep-1816 | Monday | 29 days. |
| Dhu al-Hijjah 1231 | 22-Oct-1816 | Tuesday | 30 days. |